Remove remaining occurences of CONTENT_SETTINGS_TYPE_PUSH_MESSAGING

components/content_settings/core/common/content_settings.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/content_settings/core/common/content_settings.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/stl_util.h"
@@ skipping 23 matching lines @@
     CONTENT_SETTINGS_TYPE_FULLSCREEN,
     CONTENT_SETTINGS_TYPE_MOUSELOCK,
     CONTENT_SETTINGS_TYPE_MIXEDSCRIPT,
     CONTENT_SETTINGS_TYPE_DEFAULT,  // MEDIASTREAM (removed).
     CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
     CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA,
     CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS,
     CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
     CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
     CONTENT_SETTINGS_TYPE_MIDI_SYSEX,
-    CONTENT_SETTINGS_TYPE_PUSH_MESSAGING,
+    CONTENT_SETTINGS_TYPE_DEFAULT,

[tsergeant, 2016/07/21 04:57:29]

Nit: Add a comment like the other removed items  

// PUSH_MESSAGING (removed).

[raymes, 2016/07/25 01:48:24]

Done.

     CONTENT_SETTINGS_TYPE_SSL_CERT_DECISIONS,
     CONTENT_SETTINGS_TYPE_DEFAULT,  // METRO_SWITCH_TO_DESKTOP (deprecated).
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
     CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER,
 #else
     CONTENT_SETTINGS_TYPE_DEFAULT,  // PROTECTED_MEDIA_IDENTIFIER (mobile only).
 #endif
     CONTENT_SETTINGS_TYPE_APP_BANNER,
     CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT,
     CONTENT_SETTINGS_TYPE_DURABLE_STORAGE,
@@ skipping 35 matching lines @@
 ContentSettingPatternSource::ContentSettingPatternSource()
     : setting(CONTENT_SETTING_DEFAULT), incognito(false) {
 }
 
 ContentSettingPatternSource::ContentSettingPatternSource(
     const ContentSettingPatternSource& other) = default;
 
 RendererContentSettingRules::RendererContentSettingRules() {}
 
 RendererContentSettingRules::~RendererContentSettingRules() {}